ICD-11 classes
16 Diseases of the genitourinary system
Disorders of breast
Neoplasms of the breast
Malignant neoplasms of breast
2C61 — Invasive carcinoma of breast
2C61.1 — Invasive lobular carcinoma of breast

ICD-11 2C61.1 — Invasive lobular carcinoma of breast

An infiltrating lobular adenocarcinoma. The malignant cells lack cohesion and are arranged individually or in a linear manner (Indian files), or as narrow trabeculae within the stroma. The malignant cells are usually smaller than those of ductal carcinoma, are less pleomorphic, and have fewer mitotic figures.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

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